Two cubes each of side 64cm are joined end to end.Find the surface area of the resulting cuboid
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if 2 cubes are joined together then the length of the cuboid is 64 ×2=128 cm and the breadth is 64 cm
therefore the surface area of the cuboid is 2(lb + bh + lh)
2(128×64+64×64+128×64)
= 40,960 square cm
therefore the surface area of the cuboid is 2(lb + bh + lh)
2(128×64+64×64+128×64)
= 40,960 square cm
Debojitlahiri:
He wrote side is 64 cm not volume is 64cm^3
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